/* 🏆 PREMIUM PROFESSIONAL CSS - CORPORATE GRADE */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');

/* ============================================
   PREMIUM COLOR SYSTEM & VARIABLES
============================================ */
:root {
    /* Primary Palette */
    --primary: #1e40af;
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-900: #1e3a8a;

    /* Neutral Palette */
    --white: #ffffff;
    --gray-25: #fcfcfd;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --gray-950: #030712;

    /* Semantic Colors */
    --success: #059669;
    --success-light: #d1fae5;
    --warning: #d97706;
    --warning-light: #fef3c7;
    --danger: #dc2626;
    --danger-light: #fee2e2;
    --info: #0284c7;
    --info-light: #e0f2fe;

    /* Typography */
    --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

    /* Layout */
    --max-width: 1320px;
    --border-radius: 10px;
    --border-radius-sm: 6px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;

    /* Shadows */
    --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

    /* Transitions */
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme */
.dark-theme {
    --white: #0f172a;
    --gray-25: #1e293b;
    --gray-50: #334155;
    --gray-100: #475569;
    --gray-200: #64748b;
    --gray-700: #e2e8f0;
    --gray-800: #f1f5f9;
    --gray-900: #f8fafc;
    --gray-950: #ffffff;
}

/* ============================================
   RESET & BASE STYLES
============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    font-weight: var(--font-weight-normal);
    line-height: 1.65;
    color: var(--gray-700);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* ============================================
   PREMIUM TYPOGRAPHY SYSTEM
============================================ */
.display-1 {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: var(--font-weight-extrabold);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.display-2 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: var(--font-weight-bold);
    line-height: 1.15;
    letter-spacing: -0.015em;
}

h1, .h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    letter-spacing: -0.01em;
    margin-bottom: 1.5rem;
}

h2, .h2 {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: var(--font-weight-semibold);
    line-height: 1.3;
    margin-bottom: 1.25rem;
}

h3, .h3 {
    font-size: clamp(1.5rem, 2.5vw, 1.875rem);
    font-weight: var(--font-weight-semibold);
    line-height: 1.35;
    margin-bottom: 1rem;
}

h4, .h4 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    font-weight: var(--font-weight-medium);
    line-height: 1.4;
    margin-bottom: 0.875rem;
}

h5, .h5 {
    font-size: 1.125rem;
    font-weight: var(--font-weight-medium);
    line-height: 1.45;
    margin-bottom: 0.75rem;
}

h6, .h6 {
    font-size: 1rem;
    font-weight: var(--font-weight-medium);
    line-height: 1.5;
    margin-bottom: 0.625rem;
}

p {
    margin-bottom: 1rem;
    line-height: 1.7;
}

.lead {
    font-size: 1.25rem;
    font-weight: var(--font-weight-normal);
    line-height: 1.6;
    color: var(--gray-600);
}

/* ============================================
   CONTAINER & LAYOUT
============================================ */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

/* ============================================
   PREMIUM PAGE LOADER
============================================ */
#page-loader {
    position: fixed;
    inset: 0;
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-25) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

#page-loader.loaded {
    opacity: 0;
    visibility: hidden;
}

.loader-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--gray-200);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    animation: loaderSpin 0.8s linear infinite;
}

@keyframes loaderSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ============================================
   PREMIUM TOP CONTACT BAR
============================================ */
.top-contact-bar {
    background: linear-gradient(135deg, var(--gray-25) 0%, var(--gray-50) 100%);
    border-bottom: 1px solid var(--gray-200);
    padding: 0.875rem 0;
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
}

.contact-info {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.contact-info a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-600);
    text-decoration: none;
    transition: var(--transition);
    padding: 0.25rem 0;
}

.contact-info a:hover {
    color: var(--primary);
    transform: translateY(-1px);
}

.contact-info i {
    font-size: 0.875rem;
    width: 1rem;
    text-align: center;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.social-links {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-left: auto;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    background: var(--white);
    color: var(--gray-500);
    border-radius: 50%;
    font-size: 0.875rem;
    transition: var(--transition);
    box-shadow: var(--shadow-xs);
    border: 1px solid var(--gray-200);
}

.social-links a:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    background: var(--gray-100);
    color: var(--gray-600);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}

.theme-toggle:hover {
    background: var(--primary-100);
    color: var(--primary);
    transform: scale(1.05);
}

/* ============================================
   PREMIUM NAVIGATION HEADER
============================================ */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(229, 231, 235, 0.6);
    padding: 1.25rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition-slow);
}

.navbar.scrolled {
    padding: 0.875rem 0;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-lg);
}

.navbar-brand {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: var(--transition);
}

.navbar-brand img {
    height: 3rem;
    width: auto;
    transition: var(--transition);
}

.navbar-brand:hover img {
    transform: scale(1.02);
}

.navbar-toggler {
    border: none;
    background: none;
    padding: 0.5rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    position: relative;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.navbar-toggler:hover {
    background: var(--gray-100);
}

.navbar-toggler:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.navbar-toggler-icon {
    background-image: none;
    width: 1.25rem;
    height: 1.25rem;
    position: relative;
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after,
.navbar-toggler-icon {
    display: block;
    content: '';
    width: 1.25rem;
    height: 2px;
    background: var(--gray-700);
    transition: var(--transition);
    border-radius: 1px;
}

.navbar-toggler-icon::before {
    position: absolute;
    top: -6px;
}

.navbar-toggler-icon::after {
    position: absolute;
    bottom: -6px;
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-left: auto;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.55rem !important;
    color: var(--gray-700) !important;
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    font-size: 0.99rem;
    font-weight: 600;
    letter-spacing: 0.025em;
    text-transform: uppercase;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    position: relative;
    white-space: nowrap;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 1px;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary) !important;
    background: var(--primary-50);
}

.nav-link:hover::before,
.nav-link.active::before {
    width: 1.5rem;
}

/* Premium Dropdown Styling */
.dropdown-toggle::after {
    content: '';
    border: none;
    width: 0;
    height: 0;
    margin-left: 0.5rem;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid currentColor;
    transition: var(--transition);
}

.dropdown-toggle[aria-expanded="true"]::after {
    transform: rotate(180deg);
}

.dropdown-menu {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-2xl);
    padding: 0.75rem;
    margin-top: 0.5rem;
    min-width: 15rem;
    animation: dropdownSlide 0.2s ease-out;
    backdrop-filter: blur(20px);
}

@keyframes dropdownSlide {
    from {
        opacity: 0;
        transform: translateY(-0.5rem) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.dropdown-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    color: var(--gray-700);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    font-size: 0.875rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    position: relative;
}

.dropdown-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 60%;
    background: var(--primary);
    border-radius: 0 2px 2px 0;
    transition: var(--transition);
}

.dropdown-item:hover {
    background: var(--primary-50);
    color: var(--primary);
    transform: translateX(0.25rem);
}

.dropdown-item:hover::before {
    width: 3px;
}

/* ============================================
   HERO SECTION PREMIUM STYLING
============================================ */

/* Hero Section */
.hero-slider {
    height: 600px;
    position: relative;
    overflow: hidden;
}


.hero-slide::before {
    content: '';
    position: absolute;
    inset: 0;
    background: transparent;
    z-index: 1;
}

.hero-slide {
    height: 600px;
    display: flex;
    justify-content: center; /* Horizontally center */
    align-items: center;     /* Vertically center */
    background-size: cover;
    background-position: center;
    position: relative;
    text-align: center; /* Ensures text and buttons are centered */
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--white);
    max-width: 800px;
    width: 100%;
    padding: 0 20px; /* Optional: prevent text overflow on smaller screens */
}


.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 18px;
    margin-bottom: 32px;
    opacity: 0.95;
    font-weight: 400;
}

.certificates-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.cert-item {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    padding: 2rem 1.5rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-slow);
}

.cert-item:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-0.25rem);
}

.cert-number {
    display: block;
    font-size: 3rem;
    font-weight: var(--font-weight-extrabold);
    color: #fbbf24;
    margin-bottom: 0.5rem;
    line-height: 1;
}

.cert-label {
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    opacity: 0.9;
    line-height: 1.4;
}

/* ============================================
   PREMIUM SECTION STYLING
============================================ */
.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--font-weight-bold);
    color: var(--gray-900);
    text-align: center;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 4rem;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-500) 100%);
    margin: 1.5rem auto 0;
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    text-align: center;
    max-width: 42rem;
    margin: 0 auto 4rem;
    line-height: 1.7;
}

/* Premium Sections */
.products-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--gray-25) 0%, var(--gray-50) 100%);
}

.video-section {
    padding: 5rem 0;
    background: var(--white);
}

.why-choose-us {
    padding: 6rem 0;
    background: var(--white);
}

.our-cases,
.company-news {
    padding: 6rem 0;
}

.our-cases {
    background: var(--gray-25);
}

.company-news {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-25) 100%);
}

.contact-section {
    padding: 6rem 0;
    background: var(--white);
}

/* ============================================
   PREMIUM CARD COMPONENTS
============================================ */
.product-card,
.case-card,
.news-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-slow);
    height: 100%;
    border: 1px solid var(--gray-200);
    position: relative;
}

.product-card:hover,
.case-card:hover,
.news-card:hover {
    transform: translateY(-0.5rem);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-200);
}

.product-image,
.case-image,
.news-image {
    position: relative;
    overflow: hidden;
    height: 15rem;
    background: var(--gray-100);
}

.product-image img,
.case-image img,
.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.product-card:hover .product-image img,
.case-card:hover .case-image img,
.news-card:hover .news-image img {
    transform: scale(1.05);
}

.product-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
        rgba(30, 64, 175, 0.95) 0%,
        rgba(37, 99, 235, 0.9) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-slow);
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.product-info,
.case-content,
.news-content {
    padding: 2rem 1.5rem;
    text-align: center;
}

.product-info h4,
.case-content h4,
.news-content h4 {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.product-info p,
.case-content p,
.news-content p {
    color: var(--gray-600);
    font-size: 0.875rem;
    line-height: 1.6;
}

/* ============================================
   PREMIUM BUTTONS
============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.2) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.btn:hover::before {
    transform: translateX(100%);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-600) 100%);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-700) 0%, var(--primary) 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--white);
}

.btn-lg {
    padding: 1.125rem 2.25rem;
    font-size: 1rem;
}

.btn-outline-primary {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline-primary:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

/* ============================================
   PREMIUM FOOTER
============================================ */
.footer {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-950) 100%);
    color: var(--white);
    padding: 5rem 0 2rem;
}

.footer h5 {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: 1.5rem;
    color: var(--white);
    position: relative;
}

.footer h5::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 2rem;
    height: 2px;
    background: var(--primary);
    border-radius: 1px;
}

.footer-brand p {
    color: var(--gray-400);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    transition: var(--transition);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--white);
    transform: translateX(0.25rem);
}

.footer-contact p {
    margin-bottom: 1rem;
    color: var(--gray-400);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-contact i {
    width: 1.125rem;
    color: var(--primary);
    font-size: 1rem;
    text-align: center;
}

.footer .social-links a {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--gray-800);
    color: var(--gray-400);
    border: 1px solid var(--gray-700);
    font-size: 1rem;
}

.footer .social-links a:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    transform: translateY(-2px);
}

/* ============================================
   PREMIUM CONTACT COMPONENTS
============================================ */
.quote-form {
    background: var(--white);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-200);
}

.quote-title {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-600) 100%);
    color: var(--white);
    padding: 1.5rem 2rem;
    margin: -3rem -3rem 2rem -3rem;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
}

.form-control {
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius);
    padding: 0.875rem 1.125rem;
    font-size: 0.9375rem;
    font-family: var(--font-primary);
    font-weight: var(--font-weight-medium);
    transition: var(--transition);
    background: var(--white);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
    outline: none;
}

.form-control::placeholder {
    color: var(--gray-400);
    font-weight: var(--font-weight-normal);
}

/* ============================================
   PREMIUM FIXED CONTACT BUTTONS
============================================ */
.fixed-contact {
    position: fixed;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
}

.contact-btn {
    display: flex;
    align-items: center;
    padding: 1rem 1.25rem;
    background: var(--primary);
    color: var(--white);
    text-decoration: none;
    border-radius: 1.5rem;
    font-weight: var(--font-weight-semibold);
    font-size: 0.875rem;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    min-width: 3rem;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-btn span {
    margin-left: 0.75rem;
    opacity: 0;
    max-width: 0;
    overflow: hidden;
    transition: var(--transition);
    white-space: nowrap;
}

.contact-btn:hover span {
    opacity: 1;
    max-width: 8rem;
}

.contact-btn:hover {
    transform: translateX(-0.5rem);
    color: var(--white);
    box-shadow: var(--shadow-xl);
}

.phone-btn { background: linear-gradient(135deg, var(--success) 0%, #059669 100%); }
.email-btn { background: linear-gradient(135deg, var(--danger) 0%, #dc2626 100%); }
.whatsapp-btn { background: linear-gradient(135deg, #25d366 0%, #20ba5a 100%); }

/* ============================================
   PREMIUM ANIMATIONS & EFFECTS
============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(2rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out forwards;
}

.scroll-animate {
    opacity: 0;
    transform: translateY(2rem);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-animate.animate {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   PREMIUM RESPONSIVE DESIGN
============================================ */
@media (max-width: 1199px) {
    .certificates-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }

    .container {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }
}

@media (max-width: 991px) {
    .hero-slider,
    .hero-slide {
        min-height: 35rem;
    }

    .fixed-contact {
        right: 1rem;
    }

    .contact-btn span {
        display: none !important;
    }

    .navbar-nav {
        flex-direction: column;
        gap: 0.5rem;
        margin-top: 1rem;
        width: 100%;
    }

    .nav-link {
        justify-content: center;
        padding: 1rem 1.5rem !important;
    }

    .dropdown-menu {
        position: static;
        float: none;
        width: 100%;
        margin-top: 0.5rem;
        border: none;
        box-shadow: var(--shadow-md);
    }
}

@media (max-width: 767px) {
    .top-contact-bar {
        display: none;
    }

    .hero-slider,
    .hero-slide {
        min-height: 30rem;
    }

    .certificates-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .quote-form {
        padding: 2rem 1.5rem;
    }

    .quote-title {
        margin: -2rem -1.5rem 1.5rem -1.5rem;
        padding: 1.25rem 1.5rem;
    }

    .fixed-contact {
        bottom: 1.5rem;
        top: auto;
        transform: translateX(-50%);
        left: 50%;
        flex-direction: row;
        right: auto;
    }

    .contact-btn {
        padding: 0.875rem;
        border-radius: 50%;
        min-width: 3rem;
        height: 3rem;
    }

    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .products-section,
    .our-cases,
    .company-news,
    .why-choose-us,
    .contact-section {
        padding: 4rem 0;
    }
}

@media (max-width: 575px) {
    .product-image,
    .case-image,
    .news-image {
        height: 12rem;
    }

    .product-info,
    .case-content,
    .news-content {
        padding: 1.5rem 1.25rem;
    }

    .cert-item {
        padding: 1.5rem 1.25rem;
    }

    .cert-number {
        font-size: 2.5rem;
    }
}

/* ============================================
   UTILITY CLASSES
============================================ */
.text-primary { color: var(--primary) !important; }
.bg-primary { background-color: var(--primary) !important; }
.border-primary { border-color: var(--primary) !important; }

.text-shadow { text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); }
.backdrop-blur { backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); }

.gradient-overlay { position: relative; }
.gradient-overlay::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
        rgba(30, 64, 175, 0.9) 0%,
        rgba(37, 99, 235, 0.8) 50%,
        rgba(59, 130, 246, 0.7) 100%);
    z-index: 1;
}
.gradient-overlay > * { position: relative; z-index: 2; }

/* Print Optimization */
@media print {
    .fixed-contact,
    .cookie-notice,
    #page-loader,
    .top-contact-bar {
        display: none !important;
    }
}

/* High Contrast Support */
@media (prefers-contrast: high) {
    :root {
        --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.4);
        --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
        --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.4);
        --shadow-xl: 0 16px 32px rgba(0, 0, 0, 0.4);
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}